*Excludes Observations that spanned multiple years

Pre 19706
19700
19710
19720
19730
19740
19750
19760
19770
19781
19790
19800
19810
19820
19830
19841
19850
19861
19870
19882
19891
19901
19914
19922
19931
19942
19951
19960
19970
19980
19991
20001
20012
20022
20031
20041
20051
20063
20072
20083
200910
201031
201134
201266
201353
201458
201531
201642
201748
201852
201960
20209
202112
20223
20230
20240
Total549